Japan Air Commuter (JAC) is a Japanese regional airline based in Kirishima, Kagoshima Prefecture.

[4] JAC is owned by Japan Airlines (60%) and 12 local municipalities of the Amami Islands and Kagoshima (40%).

A joint investment plan with public and private investors in fourteen Kagoshima Prefecture municipalities established Japan Air Commuter.

[5] At the time JAC was an affiliate of Toa Domestic Airlines, later known as Japan Air System.

[6] In October 2019, JAC, Japan Airlines, All Nippon Airways, Oriental Air Bridge, and Amakusa Airlines formed Essential Air Service Alliance LLP [ja] (EAS LLP), a limited liability partnership, as an alliance among the three Kyushu regional carriers, with the aim of consolidating safety and technical operations, sales promotions, procurement, personnel, and other functions.